What Connectors Needed For New HW Cylinder?

[2point8ghiax]

Its been a while since I last did some plumbing, and I now need to replace the cylinder on my vented system.

What type of connectors do I need to get to connect the primaries, cold inlet pipe and hot outlet to the cylinder, what are they called?

Many thanks for any advice.

 

[seco services]

two of thes 22mm x 1" for primaries. depending on what size yours are maybe 28m x 1"

and two of these cold inlet, hot supply. 22 x 1" or 28 x 1"

 

[2point8ghiax]

Thanks Seco.

2 more questions;

what are these types of connections called?

The connector you have shown in the top photo, which end connects to the cylinder?

 

[seco services]

the first is a straight cylinder union. as in pic the threaded part screws on to a male thread on the cylinder. and the copper part tapers to give a seal.

the second is a male iron 22mm x 1".

check what your pipes are now as they may be 22mm or 28mm.

 

[GasMan1965]

I find it easy enough to use the 1ns off the old tank .

 

[2point8ghiax]

Thanks Seco and Gasman.

The fittings for the primaries, do they need some jointing compound where they attach to the cylinder?

 

[GasMan1965]

the top 1 in seco's pics wont need but the second with need about 12 wraps of PTFE on the thread,,,,, I always put a bit of jet blue paste on the olive .

 

[2point8ghiax]

Thanks Seco and Gasman.

Both Diamond Geezers!

 

[seco services]

and don't forget your immersion element or a blanking cap.